CN105538075B - A kind of ground flat localization method of grinder - Google Patents
A kind of ground flat localization method of grinder Download PDFInfo
- Publication number
- CN105538075B CN105538075B CN201610110292.3A CN201610110292A CN105538075B CN 105538075 B CN105538075 B CN 105538075B CN 201610110292 A CN201610110292 A CN 201610110292A CN 105538075 B CN105538075 B CN 105538075B
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- grinder
- laser
- ground
- grinding
- support frame
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000004807 localization Effects 0.000 title claims abstract description 13
- 238000000227 grinding Methods 0.000 claims abstract description 56
- 239000003082 abrasive agent Substances 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 230000008569 process Effects 0.000 claims abstract description 7
- 230000008859 change Effects 0.000 claims abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 22
- 229910052742 iron Inorganic materials 0.000 claims description 11
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 210000003739 neck Anatomy 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/10—Single-purpose machines or devices
- B24B7/18—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like
- B24B7/186—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like with disc-type tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/02—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation according to the instantaneous size and required size of the workpiece acted upon, the measuring or gauging being continuous or intermittent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/12—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation involving optical means
Abstract
The present invention relates to a kind of ground flat localization method of grinder, the week side of boss in face to be ground first sets more than one generating laser, and the setting height(from bottom) of the generating laser is H；A laser pickoff is installed on grinder, the height of the laser pickoff is H1；The height H1 of the laser pickoff changes with the change of the height of ground flat；More than one photoelectric sensor for being used to measure abrasive material losing quantity in mill is uniformly laid along the week side of boss on the grinding base of grinder；The original depth of abrasive material in mill is set as F, the thickness of current abrasive material is F1；Step S4:Generating laser and laser pickoff are adjusted in same level, proceed by grinding；Relative altitude Z, wherein Z=H (F F1) H1 of the grinding base are adjusted by a lift drive mechanism, ensures grinder Z=0 in process of lapping.The beneficial effects of the present invention are：Control grinding height is coordinated by laser pickoff, generating laser and photoelectric sensor, it is ensured that ground flat degree is consistent.
Description
Technical field
The present invention relates to field of milling, more particularly to a kind of grinder and its control method with laser positioning.
Background technology
Existing grinder, it has been widely used in stone floor, cement flooring and hard ground and has been polished, polishes,
But the ground depth of parallelism differs now, there is that some are uneven, and if have the slope or angle slope of certain angle, cause to grind
Mill injustice is, it is necessary to re-start grinding.In process of lapping, the abrasive material of mill can progressively disappear other grinder with milling time
Consumption, can cause to grind not in place, and grinding effect is poor.
The content of the invention
The purpose of the present invention is to be directed to above weak point, there is provided a kind of ground flat positioning side of grinder
Method, grinding effect is improved, ensure that ground flat degree is consistent.
Scheme is used by the present invention solves technical problem：A kind of ground flat localization method of grinder, its feature
It is, comprises the following steps：
Step S0：The week side of boss in face to be ground sets more than one generating laser, the installation of the generating laser
Highly it is H, H is the level height of plane after grinding；
Step S1：Installing one is used to receive the laser pickoff that generating laser sends laser on grinder, described to swash
The height of optical receiver is H1；The height H1 of the laser pickoff changes with the change of the height of ground flat；
Step S3:More than one is uniformly laid along the week side of boss be used to measure abrasive material consumption in mill on the grinding base of grinder
The photoelectric sensor of damage amount；The original depth of abrasive material in mill is set as F, the thickness of current abrasive material is F1；
Step S4:Generating laser and laser pickoff are adjusted in same level, i.e., now H0 is equal to H, starts
It is ground；
Step S5：By a lift drive mechanism adjust it is described grinding base relative altitude Z, wherein Z=H- (F-F1)-
H1, ensure grinder Z=0 in process of lapping.
Further, the grinder includes grinding assembly and frame, and the grinding assembly includes grinding base, is arranged at
Grinding base on motor and be built in grinding base several mills, the mill through a gear drive assembly with it is described
The output axis connection of motor, the gear drive assembly are arranged in the grinding base；The grinding base is arranged at described
In frame；The frame includes a horizontal support frame, is obliquely installed the brace in support frame as described above rear end, turns with the brace
The oscillating rod of dynamic connection and the pushing hands for being arranged at oscillating rod top；The grinding base is arranged at the front bottom end and warp of support frame
One lift drive mechanism is connected with support frame as described above, and the rear end two bottom sides of the support bar are respectively arranged with a trailing wheel,
The trailing wheel is respectively through a driving wheel assembly driving；The front end of the support bar is provided with a universal wheel, and the universal wheel is through before one
Support is fixedly connected with the front end of support frame；Electronic the pushing away for being used to control universal wheel lifting is additionally provided with the universal wheel
Bar, the catch bar of the electric pushrod are fixedly connected with the universal wheel；Before the laser pickoff is arranged at electric pushrod
End；The laser pickoff, motor, lift drive mechanism, electric pushrod and driving wheel assembly are electrically connected with a control module.
Further, the control module is arranged in a square body seat, after the body seat is arranged at support frame
At the top of end, a seat is additionally provided with the body seat；The control module is also powered with a remote control module, the remote control module
Coordinate with a remote control and be electrically connected.
Further, the rear end both sides of support frame as described above further respectively have a weighting iron, and the weighting iron is through a connecting plate
Be fixed on support frame as described above, be interval with several through holes on the connecting plate along its length, weighting iron through a latch with
Corresponding through hole is connected.
Further, the front end of support frame as described above is provided with a slip draw-in groove, and the neck is provided with several jacks, described
Fore-stock is in shape is turned, and the fixed block of one end one is fixed with universal wheel, and the other end stretches to neck, and through a pin and the neck
Cooperation is fixedly connected；The turning of the fore-stock be additionally provided with portion one be used for reinforce floor.
Further, the front end of support frame as described above is additionally provided with several illuminating lamps, the illuminating lamp and the control module
It is electrically connected.
Further, several suction ports, the suction port other end also are interval with along the week side of boss on the grinding base
Extended to through a screen pipe on the inside of grinding base.
Further, the generating laser is arranged at the week side of boss in face to be ground through a horizontal fixed seat.
Further, in step s 5, H1 coordinates to obtain by the laser pickoff with generating laser.
Compared with prior art, the present invention has following beneficial effect：Several laser reflectors are fixed on face to be ground
The week side of boss, orient the level height H after the grinding in face to be ground；Then laser pickoff is fixedly mounted on the grinder
Front end, for receiving the signal of Laser emission, be so as to obtain the difference in height in face to be ground and H（H-H1）, and pass through light
Abrasive material losing quantity in electric transducer measurement mill, by driving lift drive mechanism adjustment grinding height；Ensure that grinder is being ground
Z=0 during mill, so as to ensure that ground flat degree is consistent, improve grinding effect.
Brief description of the drawings
Patent of the present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the flow chart of the localization method of the embodiment of the present invention.
Fig. 2 is the structural representation of the embodiment of the present invention.
Fig. 3 is the circuit control block diagram of the embodiment of the present invention.
In figure：1- grinds base；2- support frames；3- trailing wheels；4- braces；5- oscillating rods；6- pushing hands；7- universal wheels；8- electricity
Dynamic push rod；9- laser pickoffs；10- fore-stocks；11- necks；12- illuminating lamps；13- motors；14- fixed blocks；15- seats；16-
Body seat；17- weighting irons；18- connecting plates；19- suction ports；20- floors.
Embodiment
The present invention is further described with reference to the accompanying drawings and detailed description.
As shown in Fig. 1~2, a kind of ground flat localization method of grinder, comprise the following steps：
Step S0：The week side of boss in face to be ground sets more than one generating laser, the installation of the generating laser
Highly it is H, H is the level height of plane after grinding；
Step S1：Installing one is used to receive the laser pickoff that generating laser sends laser on grinder, described to swash
The height of optical receiver is H1；The height H1 of the laser pickoff changes with the change of the height of ground flat；
Step S3:More than one is uniformly laid along the week side of boss be used to measure abrasive material consumption in mill on the grinding base of grinder
The photoelectric sensor of damage amount；The original depth of abrasive material in mill is set as F, the thickness of current abrasive material is F1；
Step S4:Generating laser and laser pickoff are adjusted in same level, i.e., now H0 is equal to H, starts
It is ground；
Step S5：By a lift drive mechanism adjust it is described grinding base relative altitude Z, wherein Z=H- (F-F1)-
H1, ensure grinder Z=0 in process of lapping.
If Z ＜ 0, grinding base is driven to rise by lift drive mechanism, if Z ＞ 0, are driven by lift drive mechanism
Dynamic grinding base declines, it is ensured that in grinder in process of lapping Z=0.
From the foregoing, the beneficial effects of the present invention are：Face to be ground and H difference in height are obtained by laser pickoff
For（H-H1）, the abrasive material losing quantity of mill is obtained by photoelectric sensor（F-F1）, by driving lift drive mechanism adjustment to grind
Mill height；Ensure grinder Z=0 in process of lapping, so as to ensure that ground flat degree is consistent, improve grinding effect.
In the present embodiment, the grinder includes grinding assembly and frame, and the grinding assembly includes a grinding base
1st, it is arranged at the motor 13 ground on base 1 and is built in several mills of grinding base 1, the mill drives through a gear
The output axis connection of dynamic assembly and the motor 13, the gear drive assembly are arranged in the grinding base 1；The grinding
Base 1 is arranged in the frame；The frame includes a horizontal support frame 2, is obliquely installed in the rear end of support frame as described above 2
Brace 4, the oscillating rod 5 being rotatablely connected with the brace 4 and the pushing hands 6 for being arranged at the top of oscillating rod 5；The grinding base 1 is set
It is placed in the front bottom end of support frame 2 and is connected through lift drive mechanism with support frame as described above 2, the rear end bottom two of the support bar
Side is respectively arranged with a trailing wheel 3, and the trailing wheel 3 is respectively through a driving wheel assembly driving；The front end of the support bar is provided with 10,000
To wheel 7, the universal wheel 7 is fixedly connected through a fore-stock 10 with the front end of support frame 2；One is additionally provided with the universal wheel 7
For the electric pushrod 8 for controlling universal wheel 7 to lift, the catch bar of the electric pushrod 8 is fixedly connected with the universal wheel 7；Institute
The front end for stating electric pushrod 8 is additionally provided with laser pickoff 9；It is the laser pickoff 9, motor 13, lift drive mechanism, electronic
Push rod 8 and driving wheel assembly are electrically connected with a control module.The motor 13 is electrically connected through a motor drive module with control module.
The lift drive mechanism can be hydraulic lifting plate in the present embodiment, including top plate, bottom plate, connection top plate and
The connecting rod of bottom plate and the hydraulic stem for drive link, the hydraulic stem are electrically connected with control module, and the bottom plate is in support frame 2
Bottom is connected, and the top is connected with grinding base 1, ensures that top plate is parallel with bottom plate, and grinding bottom is controlled by control module
Seat 1 lifts.
Grinder provided by the invention, it is simple in construction, it can be adjusted flexibly, straighforward operation or manually behaviour can also be realized
Make, and height of the mill with respect to ground can be adjusted in real time, ensure that ground flat is horizontal.
In the present embodiment, the laser pickoff 9 cooperates with the generating laser, the generating laser warp
One horizontal fixed seat is arranged at the week side of boss of abradant surface, and the flatness of grinding is determined for coordinating.In step s 5, H1 passes through described
Laser pickoff coordinates to obtain with generating laser.
In the present embodiment, the control module is arranged in a square body seat 16, and the body seat 16 is arranged at
At the top of the rear end of support frame 2, a seat 15 is additionally provided with the body seat 16；The control module is also powered with a remote control mould
Block, the remote control module coordinates with a remote control to be electrically connected.
In the present embodiment, the rear end both sides of support frame as described above 2 further respectively have a weighting iron 17, and the weighting iron 17 passes through
One connecting plate 18 is fixed on support frame as described above 2, is interval with several through holes on the connecting plate 18 along its length, is aggravated
Iron 17 is connected through a latch with corresponding through hole.Pass through the weighting iron 17 and the adjustable connection of support frame 2, front and rear tune of both sides
Whole weighting iron 17, ensure the depth of parallelism of overall grinding base 1.
In the present embodiment, the front end of support frame as described above 2 is provided with a slip draw-in groove 11, and the neck 11 is provided with several
Jack, the fore-stock 10 in shape is turned, with universal wheel 7 fix by the fixed block 14 of one end one, and the other end stretches to neck 11, and passes through
One pin coordinates with the neck 11 to be fixedly connected；The turning of the fore-stock 10 be additionally provided with portion one be used for reinforce floor 20.
The fore-stock 10 is detachably connected with neck 11, and universal wheel 7 can be adjusted flexibly.
In the present embodiment, the front end of support frame as described above 2 is additionally provided with several illuminating lamps 12, the illuminating lamp 12 with it is described
Control module is electrically connected.
In the present embodiment, several suction ports 19, the suction port also are interval with along the week side of boss on the grinding base 1
19 other ends extend to the inner side of grinding base 1 through a screen pipe.
In summary, the ground flat localization method of a kind of grinder provided by the invention, it is simple in construction, and can be real
When adjust the height in mill face relatively to be ground, ensure that ground flat levelness is consistent.
Above-listed preferred embodiment provided by the invention, the object, technical solutions and advantages of the present invention are carried out further
Describe in detail, should be understood that the foregoing is merely illustrative of the preferred embodiments of the present invention, be not intended to limit the invention,
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., it should be included in the present invention's
Within protection domain.
Claims (6)
1. the ground flat localization method of a kind of grinder, it is characterised in that comprise the following steps：
Step S0：The week side of boss in face to be ground sets more than one generating laser, the setting height(from bottom) of the generating laser
For H, H is the level height of plane after the grinding of face to be ground；
Step S1：Installing one is used to receive the laser pickoff that generating laser sends laser on grinder, and the laser connects
It is H1 to receive height of the device apart from face to be ground；The height H1 of the laser pickoff becomes with the change of the height in face to be ground
Change；
Step S3:More than one is uniformly laid on the grinding base of grinder along the week side of boss to be used to measure abrasive material losing quantity in mill
Photoelectric sensor；The original depth of abrasive material in mill is set as F, the thickness of current abrasive material is F1, and abrasive material losing quantity is F-F1；
Step S4:Generating laser and laser pickoff are adjusted in same level, i.e., now H1 is equal to H, proceeds by
Grinding；
Step S5：The height Z, wherein Z=H- in the face relatively to be ground of the grinding base are adjusted by a lift drive mechanism
(F-F1)-H1, grinder Z=0 in process of lapping is ensured；The grinder includes grinding assembly and frame, the grinding assembly
Including grinding base, the motor being arranged on grinding base and several mills for being built in grinding base, the mill warp
The output axis connection of one gear drive assembly and the motor, the gear drive assembly are arranged in the grinding base；Institute
Grinding base is stated to be arranged in the frame；The frame includes a horizontal support frame, is obliquely installed after support frame as described above
The brace at end, the oscillating rod being rotatablely connected with the brace and the pushing hands for being arranged at oscillating rod top；The grinding base is set
In support frame front bottom end and be connected through a lift drive mechanism with support frame as described above, the rear end bottom of the support bar
Both sides are respectively arranged with a trailing wheel, and the trailing wheel is respectively through a driving wheel assembly driving；The front end of the support bar is provided with 10,000
To wheel, the universal wheel is fixedly connected through a fore-stock with the front end of support frame；One is additionally provided with the universal wheel to be used to control
The electric pushrod of universal wheel lifting processed, the catch bar of the electric pushrod are fixedly connected with the universal wheel；The laser pick-off
Device is arranged at the front end of electric pushrod；The laser pickoff, motor, lift drive mechanism, electric pushrod and driving wheel assembly
It is electrically connected with a control module；The generating laser is arranged at the week side of boss in face to be ground through a horizontal fixed seat；In step S5
In, H1 coordinates to obtain by the laser pickoff with generating laser.
A kind of 2. ground flat localization method of grinder according to claim 1, it is characterised in that：The control module
It is arranged in a square body seat, the body seat is arranged at the top of support frame rear end, and one is additionally provided with the body seat
Seat；The control module is also powered with a remote control module, and the remote control module coordinates with a remote control to be electrically connected.
A kind of 3. ground flat localization method of grinder according to claim 1, it is characterised in that：Support frame as described above
Rear end both sides further respectively have a weighting iron, and the weighting iron is fixed on support frame as described above through a connecting plate, the connecting plate
On be interval with several through holes along its length, weighting iron is connected through a latch with corresponding through hole.
A kind of 4. ground flat localization method of grinder according to claim 1, it is characterised in that：Support frame as described above
Front end is provided with a slip draw-in groove, and the neck is provided with several jacks, the fore-stock in turning shape, the fixed block of one end one with
Universal wheel is fixed, and the other end stretches to neck, and coordinates through a pin with the neck and be fixedly connected；The fore-stock turns portion
Place be additionally provided with one be used for reinforce floor.
A kind of 5. ground flat localization method of grinder according to claim 1, it is characterised in that：Support frame as described above
Front end is additionally provided with several illuminating lamps, and the illuminating lamp is electrically connected with the control module.
A kind of 6. ground flat localization method of grinder according to claim 1, it is characterised in that：The grinding base
On be also interval with several suction ports along the week side of boss, the suction port other end is extended in grinding base through a screen pipe
Side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610110292.3A CN105538075B (en) | 2016-02-29 | 2016-02-29 | A kind of ground flat localization method of grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610110292.3A CN105538075B (en) | 2016-02-29 | 2016-02-29 | A kind of ground flat localization method of grinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105538075A CN105538075A (en) | 2016-05-04 |
| CN105538075B true CN105538075B (en) | 2018-01-16 |
Family
ID=55817871
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610110292.3A Active CN105538075B (en) | 2016-02-29 | 2016-02-29 | A kind of ground flat localization method of grinder |
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| Country | Link |
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| CN (1) | CN105538075B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020150931A1 (en) * | 2019-01-23 | 2020-07-30 | 姜奕丞 | Floor grinding robot |
| CN111070089A (en) * | 2019-12-19 | 2020-04-28 | 南京涵铭置智能科技有限公司 | Intelligent tool mechanism for installing and polishing gate |
| SE545824C2 (en) * | 2021-07-07 | 2024-02-13 | Arilds Betongslipning Ab | A grinding apparatus with a vertical adjustment device for grinding a concrete surface and a method for operating the same |
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| US4790402A (en) * | 1987-09-28 | 1988-12-13 | Tennant Company | Automated guided vehicle |
| JP2000263412A (en) * | 1999-03-18 | 2000-09-26 | Nitta Ind Corp | Self-propelled grinder device |
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| CN201544122U (en) * | 2009-10-21 | 2010-08-11 | 佛山市科达石材机械有限公司 | Grinding material detection device |
| CN203650160U (en) * | 2013-10-30 | 2014-06-18 | 晋江兴翼机械有限公司 | Remote control floor stone grinder |
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| CN104942689A (en) * | 2015-07-12 | 2015-09-30 | 福建富高利机械发展有限公司 | Smart full-automatic stone slab polishing unit |
| CN104942668A (en) * | 2015-05-25 | 2015-09-30 | 江苏科瑞欣机械有限公司 | Ground laser grinding machine |
| CN105081912A (en) * | 2015-07-31 | 2015-11-25 | 江苏科瑞欣机械有限公司 | Terrace grinding machine with grinding head capable of automatically ascending, descending and rotating |
| CN205008980U (en) * | 2015-09-18 | 2016-02-03 | 中山鑫辉精密技术股份有限公司 | Grind diji with adjustable counter weight |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4790402A (en) * | 1987-09-28 | 1988-12-13 | Tennant Company | Automated guided vehicle |
| JP2000263412A (en) * | 1999-03-18 | 2000-09-26 | Nitta Ind Corp | Self-propelled grinder device |
| CN101657296A (en) * | 2007-02-15 | 2010-02-24 | Htc瑞典公司 | System, device and method for levelling floors |
| CN201544122U (en) * | 2009-10-21 | 2010-08-11 | 佛山市科达石材机械有限公司 | Grinding material detection device |
| CN203650160U (en) * | 2013-10-30 | 2014-06-18 | 晋江兴翼机械有限公司 | Remote control floor stone grinder |
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| CN104942668A (en) * | 2015-05-25 | 2015-09-30 | 江苏科瑞欣机械有限公司 | Ground laser grinding machine |
| CN104942689A (en) * | 2015-07-12 | 2015-09-30 | 福建富高利机械发展有限公司 | Smart full-automatic stone slab polishing unit |
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| Publication number | Publication date |
|---|---|
| CN105538075A (en) | 2016-05-04 |
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